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单词	polynuclear
释义	polynuclear /ˌpɒlɪˈnjuːklɪə / adjective Chemistry 1(Of a complex) containing more than one metal atom.This method comprises depositing a polynuclear complex comprising a plurality of organic polydentate ligands and a plurality of noble metal atoms on an oxide support, and then removing the organic polydentate ligands.... The CO ligand can add to the polynuclear complex in three different ways. 1.1(Of a compound) polycyclic.The residues were redissolved in DMSO for analysis of polynuclear aromatic compounds and for the mutagenicity test.... The earliest substances identified, in 1953, were benzo pyrene, and other polynuclear aromatic hydrocarbons, which were known to produce tumours in animal experiments. Poisons left behind under and around Midway Village include benzene, lead, and polynuclear aromatic hydrocarbons, a class of compounds that includes many known carcinogens.
随便看	meander line meander loop meander scroll mean deviation me and mine Meandrina meandrine mean free path meanie meaning meaningful meaningful dialog meaningful dialogue meaningfully meaningfulness meaningful relationship meaningless meaninglessly meaninglessness cookery book Cooke, Sir William Fothergill cook-general cookhouse cookie cookie cutter

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